Home / 8,115,408.82-12,173,926.07-2,999,183.55

Finding the Fourth Proportional to 8,115,408.82, 12,173,926.07 and 2,999,183.55

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Solution

The fourth proportional to 8,115,408.82, 12,173,926.07 and 2,999,183.55 is: 4,499,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,408.82 : 12,173,926.07 = 2,999,183.55 : x
  2. Step 2: Convert to fraction form
    8,115,408.82/12,173,926.07 = 2,999,183.55/x
  3. Step 3: Cross multiply
    8,115,408.82x = 12,173,926.07 × 2,999,183.55
  4. Step 4: Simplify right side
    8,115,408.82x = 36,511,838,808,060.15
  5. Step 5: Solve for x
    x = 36,511,838,808,060.15/8,115,408.82
  6. Step 6: Final answer
    x = 4,499,075.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.